Steel column depth rapid comparison and measurement device

Abstract

The utility model discloses a steel column depth rapid comparison measuring device which comprises a gauge stand, a through hole is arranged on the upper surface of the gauge stand, a dial gauge is arranged below the gauge stand, a fixing rod of the dial gauge penetrates into the through hole from bottom to top, a measuring rod of the dial gauge extends upwards and forms a measuring area with the outer surface of the through hole, and the dial gauge is arranged in the measuring area. The cover plate is arranged on the surface of the gauge stand, and the steel column extrudes the outer end of the measuring rod to achieve size measurement and judgment. According to the utility model, the accurate numerical value of the depth of the steel column can be rapidly and accurately detected, and the problems of low measurement precision, high requirement on measurement personnel and low measurement efficiency of a general micrometer are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially is related to a steel column depth quick comparison measuring device. BACKGROUND

[0002] The middle hole of the cover plate part of the automobile fuel pump core type will be pressed into a steel column, and the end face of the steel column to the working plane of the cover plate after being pressed in will generally have a size requirement, and the tolerance is basically about 0.05mm, and it is a key size, and the engineering capacity cannot meet the requirement of cpk greater than or equal to 1.67 of the customer through data analysis. Therefore, the customer requires 100% detection to ensure that 100% of the parts meet the drawing requirements. In the steel column assembly process, a micrometer is generally used for measurement, and since the tolerance is relatively small, the requirement for the measurement personnel is also relatively high, and in the mass production and full detection process, the micrometer measurement efficiency is very low. SUMMARY

[0003] The utility model discloses a steel column depth quick comparison measuring device.

[0004] Technical scheme: the steel column depth quick comparison measuring device disclosed by the utility model comprises a table frame, a through hole is formed in the upper surface of the table frame, a micrometer is arranged below the table frame, a fixed rod of the micrometer is inserted into the through hole from bottom to top, a measuring rod of the micrometer extends upwards and forms a measuring area with the outer surface of the through hole, a cover plate is arranged on the surface of the table frame, and a steel column is used to extrude the outer end of the measuring rod to realize size measurement and judgment.

[0005] Further, a stand is arranged below the table frame to support the table frame and form a placement area of the micrometer.

[0006] Further, a threaded through hole is formed in the side edge of the table frame and extends to the through hole, a pad is arranged in the threaded through hole, the pad is pushed inwards by a screw to press against the side wall of the fixed rod, the position of the micrometer is fixed, the screw is moved outwards to unlock the position of the micrometer.

[0007] Further, the outer end of the measuring rod is detachably connected with measuring heads of different sizes and shapes through threads.

[0008] Further, limit blocks are arranged on both sides of the through hole in the upper surface of the table frame to clamp the placed cover plate.

[0009] Further, a strip-shaped fixing hole is arranged on the limit block, the limit block is fixed by being bolted with the table frame through the strip-shaped fixing hole, and the distance between the limit blocks is adjusted according to the outer diameter of the cover plate.

[0010] Further, the limit edge of the limit block is in an arc edge structure.

[0011] Beneficial effects: compared with the prior art, the advantages of the utility model are that: the accurate value of the depth of the steel column can be quickly and accurately detected, and the problems of low measurement precision, high requirement for the measurement personnel and low measurement efficiency of the general micrometer are solved. The measurement precision of the general micrometer can only be accurate to about 0.01mm, and the measurement device can achieve a detection precision of about 0.001mm. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a plan view of the utility model;

[0013] Figure 2 It is Figure 1 A-A sectional view. DETAILED DESCRIPTION

[0014] As Figure 1 and 2 The steel column depth rapid comparison measurement device shown in the figure, including: the table frame 1, the upper surface of the table frame 1 is provided with a through hole 2, a micrometer 3 is arranged below the table frame 1, the fixed rod 301 of the micrometer 3 is inserted into the through hole 2 from bottom to top, the measuring rod 302 of the micrometer 3 extends upward and forms a measurement area with the outer surface of the through hole 2, a cover plate is arranged on the surface of the table frame 1, and the outer end of the measuring rod 302 is extruded by the steel column to realize size measurement and judgment.

[0015] The table frame 1 is supported by a stand 4 to form a placement area of the micrometer 3.

[0016] The table frame 1 is provided with a threaded hole 5 extending to the through hole 2, the threaded hole 5 is provided with a pad 6, the pad 6 is pushed inward by a screw 7 to press against the side wall of the fixed rod 301, thereby forming the position fixation of the micrometer 3, the screw 7 is moved outward to realize the position unlocking of the micrometer 3, and the position of the micrometer 3 can be flexibly adjusted according to needs.

[0017] The outer end of the measuring rod 302 is detachably connected with measuring heads of different sizes and shapes through threads, and the measuring heads are flexibly selected according to the size and shape of the end of the steel column.

[0018] The upper surface of the table frame 1 is provided with limit blocks 8 on both sides of the through hole 2 to clamp the placed cover plate. The limit blocks 8 are provided with strip-shaped fixing holes, the strip-shaped fixing holes are bolted and fixed with the table frame 1, and the distance between the limit blocks 8 is adjusted according to the outer diameter of the cover plate. The limit edge of the limit block 8 is an arc edge structure.

[0019] According to the steel column hole depth tolerance design a calibration block, fixed dial gauge on the table, through the calibration block calibration mar table to 0, draw the measured product tolerance range on the dial gauge. Parts on the measuring device, if the pointer in the tolerance range can be quickly determined that the steel column depth of the part meets the drawing requirements, determine the qualified, otherwise the steel column depth size of the part exceeds the drawing tolerance, determine unqualified.

Claims

1. A device for rapid comparison and measurement of steel column depth, characterized in that: include: A meter stand (1) is provided with a through hole (2) on the upper surface of the meter stand (1), a micrometer (3) is arranged below the meter stand (1), a fixing rod (301) of the micrometer (3) penetrates the through hole (2) from bottom to top, a measuring rod (302) of the micrometer (3) extends upward to form a measuring area with the outer surface of the through hole (2), a cover plate is provided on the surface of the meter stand (1), and a steel column squeezes the outer end of the measuring rod (302) to achieve dimensional measurement and judgment.

2. The device for rapid comparison and measurement of steel column depth according to claim 1, characterized in that: A column (4) is provided below the meter stand (1) to support the meter stand (1) to form a placement area for the micrometer (3).

3. The device for rapid comparison and measurement of steel column depth according to claim 1, characterized in that: A threaded through hole (5) is provided on the side of the meter frame (1) and extends to the through hole (2). A pad (6) is provided in the threaded through hole (5). The pad (6) is pushed inward by a screw (7) so as to press against the side wall of the fixing rod (301), thereby fixing the position of the micrometer (3). The position of the micrometer (3) is unlocked by moving the screw (7) outward.

4. The device for rapid comparison and measurement of steel column depth according to claim 1, characterized in that: The outer end of the measuring rod (302) is detachably connected to measuring heads of different sizes and shapes via a thread.

5. The device for rapid comparison and measurement of steel column depth according to claim 1, characterized in that: Limiting blocks (8) are provided on both sides of the through hole (2) on the upper surface of the watch frame (1) to clamp the cover after placement.

6. The device for rapid comparison and measurement of steel column depth according to claim 5, characterized in that: The limit blocks (8) are provided with strip-shaped fixing holes, and are bolted to the meter frame (1) through the strip-shaped fixing holes, and the distance between the limit blocks (8) is adjusted according to the outer diameter of the cover plate.

7. The device for rapid comparison and measurement of steel column depth according to claim 5, characterized in that: The limiting edge of the limiting block (8) is an arc edge structure.

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